Question 669180
x	25 cent coins							
y	50 cent coins							
Total tickets sold								
1.00	x	+	1.00	y	=	75.00	.............1	
Value of tickets								
25.00	x	+	50.00	y	=	3,250.00	.............2	
Eliminate	y							
multiply (1)by		-50.00						
Multiply (2) by		1.00						
-50.00	x		-50.00	y	=	-3,750.00		
25.00	x	+	50.00	y	=	3,250.00		
Add the two equations								
-25.00	x				=	-500.00		
/	-25.00							
x	=	20.00						
plug value of			x	in (1)				
1.00	x	+	1.00	y	=	75.00		
20.00		+		y	=	75.00		
				y	=	75.00		-20
				y	=	55.00		
				y	=	55.00		
	20		25 cent coins					
	55		50 cent coins					
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